Protons from Several Elements Bombarded with 30-Mev Alpha Particles
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- Kumabe Isao
- Department of Physics, Faculty of Science, Kyoto University
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- Komatuzaki Takesi
- Department of Physics, Faculty of Science, Kyoto University
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- Tomita Shigeharu
- Department of Physics, Faculty of Science, Kyoto University
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- Yamaki Tetsuji
- Department of Physics, Faculty of Science, Kyoto University
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- Yamada Yasumasa
- Department of Physics, Faculty of Science, Kyoto University
Abstract
Thin targets of Al, Cu, Ag and Au were bombarded with the 30-Mev alpha particles and the energy distributions of protons were measured at angular intervals of 10° or 15°. From an analysis of the energy distributions, the angular distributions for each 2-Mev energy interval were obtained.<BR>General behaviours of the angular distributions are as follows. (1) The cross-section increases smoothly from back to forward angles. (2) The forward peaking of the cross-section is greater at low excitation energy of the residual nucleus than at high excitation energy. (3) The forward peaking is more pronounced for heavy elements than for light ones except for Au.<BR>From an analysis of the energy distributions at 135° in laboratory system, the relative level densities of the residual nuclei were obtained as a function of the excitation energy of the residual nucleus. The curves on semilog plots of the level densities show the parabolic behaviour which is predicted by the level density formula coming from the Fermi gas.
Journal
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 17 (10), 1526-1535, 1962
THE PHYSICAL SOCIETY OF JAPAN
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Keywords
Details 詳細情報について
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- CRID
- 1390001204192774528
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- NII Article ID
- 210000077280
- 130003890375
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- BIBCODE
- 1962JPSJ...17.1526K
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- COI
- 1:CAS:528:DyaF3sXht1Ghtg%3D%3D
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- ISSN
- 13474073
- 00319015
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- Text Lang
- en
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed